AirHint found the following cheapest return flights from London (LHR) to Riyadh (RUH) in December 2026 (see full year).

Return flights

16 Dec - 23 Dec	LOT
28 Dec - 04 Jan	LOT
01 Dec - 08 Dec	ITA Airways
02 Dec - 08 Dec	ITA Airways
04 Dec - 18 Dec	ITA Airways
27 Dec - 07 Jan	ITA Airways
26 Dec - 02 Jan	LOT
18 Dec - 02 Jan	ITA Airways
01 Dec - 08 Dec	Saudia	direct
02 Dec - 08 Dec	Saudia	direct
16 Dec - 23 Dec	Saudia	direct
27 Dec - 07 Jan	Saudia	direct
28 Dec - 04 Jan	Saudia	direct
26 Dec - 02 Jan	Saudia	direct
18 Dec - 02 Jan	Saudia	direct
04 Dec - 18 Dec	Saudia	direct

Also check the deals for one-way flights from London to Riyadh in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Riyadh in December from 411€

Return flights